Methylene blue's been touted as a miracle cure for cancer and as protection from radiation on flights. Now doctors reveal the fascinating truth about the dye - and who MUSTN'T take it
Last week, a short video of one of America's most prominent politicians adding a blue dye to his water turned a niche Victorian-era medicine into an overnight sensation.
Last week, a short video of one of America's most prominent politicians adding a blue dye to his water turned a niche Victorian-era medicine into an overnight sensation.
